/Engine/Source/Editor/UnrealEd/Public/EditorModeManager.h
Notifies all active modes of axis movement
bool InputAxis ( [FEditorViewportClient](API\Editor\UnrealEd\FEditorViewportClient) * InViewportClient, [FViewport](API\Runtime\Engine\FViewport) * Viewport, int32 ControllerId, [FKey](API\Runtime\InputCore\FKey) Key, float Delta, float DeltaTime )